US2786196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pilot light
Assignee: Individual
•
Filing: 1954-06-14
•
Granted: 1957-03-19
•
Expires: 1974-06-14
Abstract
No abstract record available.
Inventors
- 👤 Artemas J Haynes
- 👤 Earle F Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:22
CPC Classifications
F; F21; F21S; F21S8/00; F21W; F21W2111/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US945049A
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US1179392A
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US1673876A
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US1664684A
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US2051288A
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US2214317A
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US2221078A
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US2420000A
Cited
US2617910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |